From: Oliver Upton <oliver.upton@linux.dev>
To: Ryan Roberts <ryan.roberts@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
James Morse <james.morse@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Ard Biesheuvel <ardb@kernel.org>,
Anshuman Khandual <anshuman.khandual@arm.com>,
linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev
Subject: Re: [PATCH v5 00/12] KVM: arm64: Support FEAT_LPA2 at hyp s1 and vm s2
Date: Tue, 21 Nov 2023 23:38:09 +0000 [thread overview]
Message-ID: <ZV0_YSm07-5SXdcz@linux.dev> (raw)
In-Reply-To: <20231116142931.1675485-1-ryan.roberts@arm.com>
Hi Ryan,
On Thu, Nov 16, 2023 at 02:29:19PM +0000, Ryan Roberts wrote:
> Additionally, when running page_fault_test, when run on FVP against v6.7-rc1 and
> newer, I'm seeing RCU stalls. I'm confident that this is not an issue introduced
> by this series because it reproduces without my patches.
Oh, that's interesting. Can you gather any additional details, like what
test case in page_fault_test trips the RCU stalls?
> Anshuman Khandual (1):
> arm64/mm: Add FEAT_LPA2 specific ID_AA64MMFR0.TGRAN[2]
>
> Ryan Roberts (11):
> arm64/mm: Modify range-based tlbi to decrement scale
> arm64/mm: Add lpa2_is_enabled() kvm_lpa2_is_enabled() stubs
> arm64/mm: Update tlb invalidation routines for FEAT_LPA2
> arm64: Add ARM64_HAS_LPA2 CPU capability
> KVM: arm64: Add new (V)TCR_EL2 field definitions for FEAT_LPA2
> KVM: arm64: Use LPA2 page-tables for stage2 and hyp stage1
> KVM: arm64: Convert translation level parameter to s8
> KVM: arm64: Support up to 5 levels of translation in kvm_pgtable
> KVM: arm64: Allow guests with >48-bit IPA size on FEAT_LPA2 systems
> KVM: selftests: arm64: Determine max ipa size per-page size
> KVM: selftests: arm64: Support P52V48 4K and 16K guest_modes
Besides the nitpicks I left on the series, LGTM.
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
--
Thanks,
Oliver
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next prev parent reply other threads:[~2023-11-21 23:38 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-16 14:29 [PATCH v5 00/12] KVM: arm64: Support FEAT_LPA2 at hyp s1 and vm s2 Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 01/12] arm64/mm: Modify range-based tlbi to decrement scale Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 02/12] arm64/mm: Add lpa2_is_enabled() kvm_lpa2_is_enabled() stubs Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 03/12] arm64/mm: Update tlb invalidation routines for FEAT_LPA2 Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 04/12] arm64: Add ARM64_HAS_LPA2 CPU capability Ryan Roberts
2023-11-22 15:14 ` Marc Zyngier
2023-11-16 14:29 ` [PATCH v5 05/12] arm64/mm: Add FEAT_LPA2 specific ID_AA64MMFR0.TGRAN[2] Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 06/12] KVM: arm64: Add new (V)TCR_EL2 field definitions for FEAT_LPA2 Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 07/12] KVM: arm64: Use LPA2 page-tables for stage2 and hyp stage1 Ryan Roberts
2023-11-21 20:34 ` Oliver Upton
2023-11-22 13:41 ` Ryan Roberts
2023-11-22 15:21 ` Marc Zyngier
2023-11-24 11:49 ` Ryan Roberts
2023-11-27 9:32 ` Marc Zyngier
2023-11-27 9:43 ` Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 08/12] KVM: arm64: Convert translation level parameter to s8 Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 09/12] KVM: arm64: Support up to 5 levels of translation in kvm_pgtable Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 10/12] KVM: arm64: Allow guests with >48-bit IPA size on FEAT_LPA2 systems Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 11/12] KVM: selftests: arm64: Determine max ipa size per-page size Ryan Roberts
2023-11-21 23:27 ` Oliver Upton
2023-11-22 13:47 ` Ryan Roberts
2023-11-21 23:34 ` Oliver Upton
2023-11-22 13:47 ` Ryan Roberts
2023-11-16 14:29 ` [PATCH v5 12/12] KVM: selftests: arm64: Support P52V48 4K and 16K guest_modes Ryan Roberts
2023-11-21 23:38 ` Oliver Upton [this message]
2023-11-22 13:37 ` [PATCH v5 00/12] KVM: arm64: Support FEAT_LPA2 at hyp s1 and vm s2 Ryan Roberts
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